Home / 927,512.26-1,279,964.06-514,075.40

Finding the Fourth Proportional to 927,512.26, 1,279,964.06 and 514,075.40

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Solution

The fourth proportional to 927,512.26, 1,279,964.06 and 514,075.40 is: 709,422.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,512.26 : 1,279,964.06 = 514,075.40 : x
  2. Step 2: Convert to fraction form
    927,512.26/1,279,964.06 = 514,075.40/x
  3. Step 3: Cross multiply
    927,512.26x = 1,279,964.06 × 514,075.40
  4. Step 4: Simplify right side
    927,512.26x = 657,998,036,130.12
  5. Step 5: Solve for x
    x = 657,998,036,130.12/927,512.26
  6. Step 6: Final answer
    x = 709,422.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.